19215308

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1901}}^1$

素因数の和:1950

約数の個数: 36

約数和(自身を含む): 40581072

約数和(自身を除く): 21365764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 1901, 2527, 3802, 5054, 7604, 10108, 13307, 26614, 36119, 53228, 72238, 144476, 252833, 505666, 686261, 1011332, 1372522, 2745044, 4803827, 9607654, 19215308]

約数ペア:

[(1, 19215308), (2, 9607654), (4, 4803827), (7, 2745044), (14, 1372522), (19, 1011332), (28, 686261), (38, 505666), (76, 252833), (133, 144476), (266, 72238), (361, 53228), (532, 36119), (722, 26614), (1444, 13307), (1901, 10108), (2527, 7604), (3802, 5054)]